/*******************************************************************************
 * Copyright (c) 2010 liw.
 * All rights reserved. 
 * 
 * This file is part of VanBus.
 * 
 *     VanBus is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     VanBus is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with VanBus.  If not, see <http://www.gnu.org/licenses/>.
 * Contributors:
 *     liw - initial API and implementation
 ******************************************************************************/
package org.niclab.vanbus.utils;

import org.niclab.vanbus.application.VanBusApplication;
import org.niclab.vanbus.model.BusRoute;
import org.niclab.vanbus.model.BusStop;

import android.content.Context;

public class CacheUtils {

	public static Object getCachedObject(String key){
		
		
		
		return VanBusApplication.getInstance().fetchFromCache(key);
		
	}
	
	public static Object saveObjectToCache(String key, Object value){
		return VanBusApplication.getInstance().putToCache(key, value);
		
	}
	
	public static BusRoute getCachedBusRoute(String routeKey){
		
		
		Object obj = getCachedObject(routeKey);
		if(obj instanceof BusRoute)
			return (BusRoute) obj;
		else
			return null;
		
		
	}
	
	public static BusRoute getCachedBusRoute(String routeId, String dir){
		String key = routeId+dir;
		
		return getCachedBusRoute(key);
	}
	
	public static BusStop getCachedBusStop(String stopId){
		
		Object obj = getCachedObject(stopId);
		if(obj instanceof BusStop)
			return (BusStop) obj;
		else
			return null;
			
	}
	
	

	
	public static BusRoute saveBusRouteToCache(BusRoute route){
		String key = route.getRouteId() + route.getRouteDir();
		return (BusRoute) saveObjectToCache(key, route);
		
	}
	
	
	public static BusStop saveBusStopToCache(BusStop stop){
		String key = stop.getStopId();
		return (BusStop) saveObjectToCache(key, stop);
		
	}
	
}
